CN203543864U - Electromagnetic car crash damping device - Google Patents
Electromagnetic car crash damping device Download PDFInfo
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- CN203543864U CN203543864U CN201320640113.9U CN201320640113U CN203543864U CN 203543864 U CN203543864 U CN 203543864U CN 201320640113 U CN201320640113 U CN 201320640113U CN 203543864 U CN203543864 U CN 203543864U
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Abstract
The utility model relates to an electromagnetic car crash damping device, which comprises a crash movement part, a fixed blocking part and a circuit control part, wherein the crash movement part comprises a bumper, a connecting rod, a piston, a permanent magnet and a piston cylinder, the piston cylinder is connected to a fixed frame of a car, the piston and the permanent magnet are arranged in the piston cylinder, the piston is fixedly connected to the permanent magnet, the bumper is arranged in front of the piston cylinder and is connected to the piston through the connecting rod; the fixed blocking part comprises an iron core and a spiral coil wound on the iron core, an electromagnet is formed by the iron core and the spiral coil, the iron coil is fixed on the fixed frame of the car, and an axis of the iron core is coincident to the axis of the piston and the axis of the permanent magnet; the circuit control part is connected to the two ends of the spiral coil so as to energize and de-energize the spiral coil and control the current direction of the coil, so that the iron core generates magnetic field. In comparison with the prior art, the electromagnetic car crash damping device has the advantages of reuse, simple structure, easiness in production and control, low manufacturing cost and the like.
Description
Technical field
The utility model relates to collision damper for car, especially relates to a kind of electromagnetic type automobile buffer device for collision.
Background technology
Shock absorber during for auto against has had a lot of designs.As rubber elastomeric material shock absorber, air bag energy storage buffer device, hydraulic damping device etc.But the different shock absorber of these media has the shortcoming of having nothing in common with each other: hydraulic pressure or air pressure type buffering mechanism exist sealing problem to be difficult to solve, and require working accuracy higher, complex structure, the problems such as manufacturing cost height; Adopt the energy disperser of elastomeric material to exist elastomeric material easily to produce endurance failure, occur permanent deformation and the problem such as aging.
In order to overcome the shortcoming of above all kinds of energy dispersers, Chinese patent CN200999028Y has announced a kind of automobile electromagnetic damping device that is applied to auto trade and traffic and transportation system, can between the vehicle of running at high speed, produce continually varying electromagnetic repulsion force, effectively the velocity contrast between buffering vehicle, avoids bumping and rear-end collision between vehicle.The magnetic field that this patent utilization electromagnetic induction produces, according to the rule of " two like magnetic poles repel each other ", make two class automobiles approaching while knocking into the back, the electromagnetic buffer device that makes to be placed on bumper/spoiler by the manipulation of rear car produces magnetic field, when this magnetic field approaches front truck rear bumper, the induction coil being placed in after front truck produces induced field, repels car rear-end.This device is divided into two parts, and a part is placed in before front truck, and a part is arranged on after another front truck, and requires overhead consistent size.Its shortcoming one is that all vehicles of requirement all will be unified to settle, otherwise cannot realize crash protection; Buffer invalidation when shortcoming two is other obstacle of auto against.
in utility modelhold
The purpose of this utility model is exactly that a kind of reusable, simple in structure, electromagnetic type automobile buffer device for collision of being easy to manufacture and manipulation, low cost of manufacture is provided in order to overcome the defect that above-mentioned prior art exists.
The utility model is according to electromagnetic coupling theory, utilizes two magnets " two like magnetic poles repel each other, there is a natural attraction between the sexes " characteristic to carry out the safety device for auto against protection of comprehensive Design.This device has overcome the shortcoming of above all kinds of energy dispersers, energy-absorbing buffering protection while effectively providing auto against.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of electromagnetic type automobile buffer device for collision, comprises collision movable part, constant resistance part and circuit control part, wherein,
Described collision movable part comprises bumper/spoiler, connecting rod, piston, permanent magnet and piston cylinder, described piston cylinder is connected on the fixed frame of automobile, described piston and permanent magnet are all located in piston cylinder, and piston is fixedly connected with permanent magnet, described bumper/spoiler is located at piston cylinder front, and is connected with piston by connecting rod;
Described constant resistance part is comprised of iron core and the helicoil that is wrapped on iron core, and iron core and helicoil form electromagnet, and described iron core is fixed on the fixed frame of automobile, and the axis of the axis of iron core and piston and permanent magnet coincides;
Described circuit control part is connected with the two ends of helicoil, to helicoil energising, power-off and control helicoil direction of current, makes iron core produce magnetic field.
Described circuit control part is by travel switch, button switch, double pole double throw and direct supply composition, one end of helicoil connects the first contact and the 4th contact simultaneously, the other end of helicoil connects the second contact by travel switch, and by button switch, connect the 3rd contact simultaneously, described travel switch is plugged on piston cylinder sidewall, when permanent magnet is pushed down travel switch, shake-up travel switch is connected, two fixed contacts of described double pole double throw are connected to the two ends of direct supply, two moving contacts of double pole double throw are connected with the second contact and the 4th contact simultaneously, or be connected with the first contact and the 3rd contact simultaneously.
The connection location difference of two moving contacts of double pole double throw, the direction of current difference in helicoil, specific as follows:
During running car, two moving contacts of double pole double throw are connected with the second contact and the 4th contact simultaneously, when bumper/spoiler bumps, bumper/spoiler promotes piston by connecting rod and permanent magnet slides inwards, the slip of permanent magnet touches travel switch and connects, direct supply and helicoil form loop, direct supply charges to helicoil, iron core produces with permanent magnet near the identical magnetic field of iron core one end polarity, iron core produces repulsive force to permanent magnet, and this repulsive force has cushioned bumper/spoiler and permanent magnet continues to slide inwards;
Before parking of automobile, move double pole double throw, its two moving contacts are connected with the first contact and the 3rd contact simultaneously, and are communicated with button switch, make direct supply and helicoil form loop, direct supply has changed to the direction of helicoil charging, iron core generation is with permanent magnet near opposite polarity magnetic field, iron core one end, and iron core produces attractive force to permanent magnet, and permanent magnet is slided to iron core, permanent magnet drives bumper/spoiler to shrink, and permanent magnet touches travel switch and connects;
Before automobile rolls away from, move double pole double throw, its two moving contacts are connected with the second contact and the 4th contact simultaneously, because travel switch is connected state, direct supply and helicoil form loop, and direct supply charges to helicoil, and iron core produces with permanent magnet near the identical magnetic field of iron core one end polarity, iron core produces repulsive force to permanent magnet, and makes permanent magnet away from iron core.
Compared with prior art, the utlity model has following advantage and beneficial effect:
1, reusable: owing to adopting permanent magnet and electromagnet, do not have object to destroy in crusherbull zone process, therefore, compared with being out of shape the buffering of class, electromagnetic retarder can repeated multiple timesly be used.
2, requirement on machining accuracy is not high, low cost of manufacture: because the Main Function of piston cylinder is guiding, the repulsive force of avoiding permanent magnet to be subject to electromagnet produces excessive radial runout as the used time.Therefore, piston cylinder requires lower with coordinating of piston space.Compared with needing high leakproofness with hydraulic pressure or air pressure type buffering mechanism, its tooling cost greatly reduces.
3, simple in structure, easily manufacture and manipulate: as a whole, parts are few, move single; Agent structure and control electric current are all fairly simple, easily manufacture; In use, be easy to manipulation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1 is that bumper/spoiler, 2 is that connecting rod, 3 is that piston, 4 is that permanent magnet, 5 is that piston cylinder, 6 is that iron core, 7 is that helicoil, 8 is that fixed frame, 9 is that travel switch, K1 are that double pole double throw, K2 are that button switch, E are direct supply.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment
A kind of electromagnetic type automobile buffer device for collision, as shown in Figure 1, comprise collision movable part, constant resistance part and circuit control part, wherein, collision movable part comprises bumper/spoiler 1, connecting rod 2, piston 3, permanent magnet 4 and piston cylinder 5, piston cylinder 5 is connected on the fixed frame 8 of automobile, piston 3 is all located in piston cylinder 5 with permanent magnet 4, and piston 3 is fixedly connected with permanent magnet 4, bumper/spoiler 1 is located at piston cylinder 5 fronts, and be connected with piston 3 by connecting rod 2, piston 3 can slide along axis direction piston cylinder 5 is interior, piston cylinder 5 is for the radial motion of limited piston 3 and permanent magnet 4, constant resistance part is comprised of iron core 6 and the helicoil 7 that is wrapped on iron core 6, and iron core 6 forms electromagnet with helicoil 7, and iron core 6 is fixed on the fixed frame 8 of automobile, and the axis of the axis of iron core 6 and piston 3 and permanent magnet 4 coincides, circuit control part is connected with the two ends of helicoil 7, to helicoil 7 energisings, power-off and control helicoil 7 directions of current, makes iron core 6 produce magnetic field.
Circuit control part is by travel switch 9, button switch K2, double pole double throw K1 and direct supply E composition, one end of helicoil 7 connects the first contact a and the 4th contact d simultaneously, the other end of helicoil 7 connects the second contact b by travel switch 9, and by button switch K2, connect the 3rd contact c simultaneously, travel switch 9 is plugged on piston cylinder 5 sidewalls, when permanent magnet 4 is pushed down travel switch 9, touching travel switch 9 connects, two fixed contacts of double pole double throw K1 are connected to the two ends of direct supply E, two moving contacts of double pole double throw K1 are connected with the second contact b and the 4th contact d simultaneously, or be connected with the first contact a and the 3rd contact c simultaneously.When two moving contacts of double pole double throw K1 are connected with the second contact b and the 4th contact d simultaneously, double pole double throw K1 is in " overhanging " state, when two moving contacts of double pole double throw K1 are connected with the first contact a and the 3rd contact c simultaneously, double pole double throw K1 is in " retraction " state.
The connection location difference of two moving contacts of double pole double throw K1, the direction of current difference in helicoil 7, specific as follows:
During running car, two moving contacts of double pole double throw K1 are connected with the second contact b and the 4th contact d simultaneously, when the fixing body of wall of bumper/spoiler 1 head-on crash, first the bumper/spoiler 1 protracting contacts with wall, bear collision impact power F, be collided after impulsive force, bumper/spoiler 1 promotes piston 3 by connecting rod 2 and permanent magnet 4 slides inwards, the slip of permanent magnet 4 touches travel switch 9 and connects, even if the contact g of travel switch 9 and contact h connect, direct supply E and helicoil 7 form loop, direct supply E charges to helicoil 7, iron core 6 produces with permanent magnet 4 near the identical magnetic field of iron core 6 one end polarity, such as being both the S utmost point or being both the N utmost point, known according to the characteristic of magnetic field " two like magnetic poles repel each other ", iron core 6 produces repulsive force to permanent magnet 4, this repulsive force hinders permanent magnet 4 to be continued to slide inwards, and permanent magnet 4 is just larger the closer to its repulsive force with iron core 6.This repulsive force has reduced the sliding velocity of permanent magnet 4 while colliding and it is stopped.Cushioning principle and the process of electromagnetic retarder when auto against that Here it is.Sort buffer has protected automobile and passengers inside the car to escape injury.
Before parking of automobile, move double pole double throw K1, its two moving contacts are connected with the first contact a and the 3rd contact c simultaneously, and be communicated with button switch K2, make direct supply E and helicoil 7 form loop, direct supply E has changed the direction of charging to helicoil 7, iron core 6 produces with permanent magnet 4 near iron core 6 opposite polarity magnetic fields, one end, while being the S utmost point as permanent magnet 4, iron core 6 is the N utmost point, known according to the principle of magnetic field " there is a natural attraction between the sexes ", iron core 6 produces attractive force to permanent magnet 4, permanent magnet 4 is slided to iron core 6, permanent magnet 4 drives bumper/spoiler 1 to shrink, permanent magnet 4 touches travel switch 9 and connects, at this moment decontrol button switch K
2, circuit disconnects, the magnetic of iron core 6 is eliminated, but owing to there being permanent magnet 4, it with iron core 6 between still have enough suction, make piston 3 keep retracted state and fix, avoid automatically skidding off.Before parking, can bounce back bumper/spoiler 1 like this to keep the attractive in appearance of Integral automobile and reduce the shared space of stopping.
Before automobile rolls away from, while if desired stretching out bumper/spoiler 1 pre-anticollision, move double pole double throw K1, its two moving contacts are connected with the second contact b and the 4th contact d simultaneously, make double pole double throw K1 shift " overhanging " position onto, because travel switch 9 is connected state, direct supply E and helicoil 7 form loop, direct supply E charges to helicoil 7, iron core 6 produces with permanent magnet 4 near the identical magnetic field of iron core 6 one end polarity, iron core 6 produces repulsive force to permanent magnet 4, and makes permanent magnet 4 away from iron core 6.Make bumper/spoiler 1 overhanging, now, electromagnetic retarder enters state to be touched.
Claims (3)
1. an electromagnetic type automobile buffer device for collision, is characterized in that, comprises collision movable part, constant resistance part and circuit control part, wherein,
Described collision movable part comprises bumper/spoiler (1), connecting rod (2), piston (3), permanent magnet (4) and piston cylinder (5), described piston cylinder (5) is connected on the fixed frame (8) of automobile, described piston (3) is all located in piston cylinder (5) with permanent magnet (4), and piston (3) is fixedly connected with permanent magnet (4), described bumper/spoiler (1) is located at piston cylinder (5) front, and is connected with piston (3) by connecting rod (2);
Described constant resistance part is comprised of iron core (6) and the helicoil (7) that is wrapped on iron core (6), iron core (6) forms electromagnet with helicoil (7), described iron core (6) is fixed on the fixed frame (8) of automobile, and the axis of the axis of iron core (6) and piston (3) and permanent magnet (4) coincides;
Described circuit control part is connected with the two ends of helicoil (7), to helicoil (7) energising, power-off and control helicoil (7) direction of current, makes iron core (6) produce magnetic field.
2. a kind of electromagnetic type automobile buffer device for collision according to claim 1, it is characterized in that, described circuit control part is by travel switch (9), button switch (K2), double pole double throw (K1) and direct supply (E) composition, one end of helicoil (7) connects the first contact (a) and the 4th contact (d) simultaneously, the other end of helicoil (7) connects the second contact (b) by travel switch (9), and by button switch (K2), connect the 3rd contact (c) simultaneously, described travel switch (9) is plugged on piston cylinder (5) sidewall, when permanent magnet (4) is pushed down travel switch (9), touching travel switch (9) connects, two fixed contacts of described double pole double throw (K1) are connected to the two ends of direct supply (E), two moving contacts of double pole double throw (K1) are connected with the second contact (b) and the 4th contact (d) simultaneously, or be connected with the first contact (a) and the 3rd contact (c) simultaneously.
3. a kind of electromagnetic type automobile buffer device for collision according to claim 2, is characterized in that, the connection location difference of two moving contacts of double pole double throw (K1), and the direction of current difference in helicoil (7), specific as follows:
During running car, two moving contacts of double pole double throw (K1) are connected with the second contact (b) and the 4th contact (d) simultaneously, when bumper/spoiler (1) bumps, bumper/spoiler (1) promotes piston (3) by connecting rod (2) and permanent magnet (4) slides inwards, the slip of permanent magnet (4) touches travel switch (9) and connects, direct supply (E) forms loop with helicoil (7), direct supply (E) charges to helicoil (7), iron core (6) produces with permanent magnet (4) near the identical magnetic field of iron core (6) one end polarity, iron core (6) produces repulsive force to permanent magnet (4), this repulsive force has cushioned bumper/spoiler (1) and permanent magnet (4) continues to slide inwards,
Before parking of automobile, move double pole double throw (K1), its two moving contacts are connected with the first contact (a) and the 3rd contact (c) simultaneously, and be communicated with button switch (K2), make direct supply (E) and helicoil (7) form loop, direct supply (E) has changed to the direction of helicoil (7) charging, iron core (6) produces with permanent magnet (4) near opposite polarity magnetic field, iron core (6) one end, iron core (6) produces attractive force to permanent magnet (4), permanent magnet (4) is slided to iron core (6), permanent magnet (4) drives bumper/spoiler (1) to shrink, permanent magnet (4) touches travel switch (9) and connects,
Before automobile rolls away from, move double pole double throw (K1), its two moving contacts are connected with the second contact (b) and the 4th contact (d) simultaneously, because travel switch (9) is connected state, direct supply (E) forms loop with helicoil (7), direct supply (E) charges to helicoil (7), iron core (6) produces with permanent magnet (4) near the identical magnetic field of iron core (6) one end polarity, iron core (6) produces repulsive force to permanent magnet (4), and make permanent magnet (4) away from iron core (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640113.9U CN203543864U (en) | 2013-10-16 | 2013-10-16 | Electromagnetic car crash damping device |
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| CN201320640113.9U CN203543864U (en) | 2013-10-16 | 2013-10-16 | Electromagnetic car crash damping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104085366A (en) * | 2014-06-26 | 2014-10-08 | 华侨大学 | Automobile crash self-adaptation multi-level buffering energy-absorbing device and control method thereof |
| CN104260681A (en) * | 2014-10-25 | 2015-01-07 | 黄捷 | Automotive electromagnet protection device |
| CN104290703A (en) * | 2014-10-27 | 2015-01-21 | 重庆市永宏陈记实业有限公司 | Multistage damping type vehicle bumper device with active collision avoidance function |
| CN104290882A (en) * | 2014-10-25 | 2015-01-21 | 廖慧明 | Marine electromagnet protector |
| CN104309558A (en) * | 2014-10-27 | 2015-01-28 | 重庆市永宏陈记实业有限公司 | Automobile bumper with initiative collision avoidance function |
| CN104340148A (en) * | 2014-10-27 | 2015-02-11 | 重庆市永宏陈记实业有限公司 | Classified damping type automobile bumper device with active anti-collision function |
| CN104999978A (en) * | 2015-07-06 | 2015-10-28 | 无锡阳工机械制造有限公司 | Magnetic support car bumper |
| CN106427850A (en) * | 2016-12-02 | 2017-02-22 | 李扬扬 | Anti-collision beam, control system thereof and vehicle |
| CN107298066A (en) * | 2017-07-13 | 2017-10-27 | 张高诚 | Family car electromagnetic anti-collision device |
| CN108706519A (en) * | 2018-07-11 | 2018-10-26 | 厦门理工学院 | Buffer structure, control system and fork truck using the buffer structure |
| CN108756390A (en) * | 2018-05-30 | 2018-11-06 | 合肥市春华起重机械有限公司 | A kind of high security AGV trolleies and its application in intelligent parking platform |
| RU2674735C1 (en) * | 2017-11-22 | 2018-12-12 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный технический университет" | Bumper of vehicle with active shock absorption |
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| CN109774688A (en) * | 2019-03-20 | 2019-05-21 | 吉林大学 | A kind of car rear-end device and its control method based on front camera and rear camera |
| CN113246889A (en) * | 2021-05-19 | 2021-08-13 | 安徽工程大学 | Automatic automobile anti-collision device and method |
| CN113879245A (en) * | 2021-11-16 | 2022-01-04 | 哈尔滨理工大学 | Active automobile side collision buffer device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104085366A (en) * | 2014-06-26 | 2014-10-08 | 华侨大学 | Automobile crash self-adaptation multi-level buffering energy-absorbing device and control method thereof |
| CN104085366B (en) * | 2014-06-26 | 2016-03-30 | 华侨大学 | Auto against adaptive multistage crash energy absorption equipment and control method thereof |
| CN104260681A (en) * | 2014-10-25 | 2015-01-07 | 黄捷 | Automotive electromagnet protection device |
| CN104290882A (en) * | 2014-10-25 | 2015-01-21 | 廖慧明 | Marine electromagnet protector |
| CN104290703A (en) * | 2014-10-27 | 2015-01-21 | 重庆市永宏陈记实业有限公司 | Multistage damping type vehicle bumper device with active collision avoidance function |
| CN104309558A (en) * | 2014-10-27 | 2015-01-28 | 重庆市永宏陈记实业有限公司 | Automobile bumper with initiative collision avoidance function |
| CN104340148A (en) * | 2014-10-27 | 2015-02-11 | 重庆市永宏陈记实业有限公司 | Classified damping type automobile bumper device with active anti-collision function |
| CN104999978A (en) * | 2015-07-06 | 2015-10-28 | 无锡阳工机械制造有限公司 | Magnetic support car bumper |
| CN106427850A (en) * | 2016-12-02 | 2017-02-22 | 李扬扬 | Anti-collision beam, control system thereof and vehicle |
| CN107298066A (en) * | 2017-07-13 | 2017-10-27 | 张高诚 | Family car electromagnetic anti-collision device |
| RU2674735C1 (en) * | 2017-11-22 | 2018-12-12 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный технический университет" | Bumper of vehicle with active shock absorption |
| CN109696613A (en) * | 2018-01-25 | 2019-04-30 | 陕西开尔文测控技术有限公司 | A kind of hand-held semi-conductor discrete device test device |
| CN108756390A (en) * | 2018-05-30 | 2018-11-06 | 合肥市春华起重机械有限公司 | A kind of high security AGV trolleies and its application in intelligent parking platform |
| CN108706519A (en) * | 2018-07-11 | 2018-10-26 | 厦门理工学院 | Buffer structure, control system and fork truck using the buffer structure |
| CN109774688A (en) * | 2019-03-20 | 2019-05-21 | 吉林大学 | A kind of car rear-end device and its control method based on front camera and rear camera |
| CN109774688B (en) * | 2019-03-20 | 2023-07-14 | 吉林大学 | Front and rear camera-based car rear-end collision prevention device and control method thereof |
| CN113246889A (en) * | 2021-05-19 | 2021-08-13 | 安徽工程大学 | Automatic automobile anti-collision device and method |
| CN113879245A (en) * | 2021-11-16 | 2022-01-04 | 哈尔滨理工大学 | Active automobile side collision buffer device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20151016 |
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| EXPY | Termination of patent right or utility model |